RE: [nsp] BGP TRICK

From: KF (kf@reign.sk)
Date: Mon Jan 14 2002 - 04:54:32 EST


That was kindda "brain-storming" question.. I wanted to know, if there is any other possibility

Many thanks for all responses.

Regards

Alexander

-----Original Message-----
From: Peter van Oene [mailto:pvo@usermail.com]
Sent: Friday, January 11, 2002 8:33 PM
To: kf@reign.sk; 'Brian Wallingford'
Cc: cisco-nsp@puck.nether.net
Subject: RE: [nsp] BGP TRICK

Why can't you use communities? They were intended to solve this type of
problem.

At 12:24 PM 1/11/2002 +0100, KF wrote:
>no-no...surely not. idea is how to annouce local network ONLY to the next
>AS, without any REMOTE filtering. So the annouced network
>stays within the nex AS , but never cross it.. There is ONLY one speaker
>so AS prepending is NOT possible..nor communities..
>
>thanx
>
>alex
>
>-----Original Message-----
>From: Brian Wallingford [mailto:brian@meganet.net]
>Sent: Thursday, January 10, 2002 9:41 PM
>To: KF
>Cc: cisco-nsp@puck.nether.net
>Subject: Re: [nsp] BGP TRICK
>
>
>I'm not sure exactly what you're asking. Sounds like you're asking how to
>spoof a non-local AS? If so, this functionality is not built into BGP
>(thank goodness).
>
>
>On Thu, 10 Jan 2002, KF wrote:
>
>:Heya,
>:
>:How to annouce over E-BGP local loopback address (network), that it will
>stay within the remote AS.
>:
>:WITHOUT using COMMUNITIES
>:WITHOUT using incoming or any other filtering at the remote AS.. better
>say without any touch at the remote AS site..
>:
>:who knows this trick?
>:
>: greetz
>:
>:Alex
>:
>:



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